user
Construct a matrix that provides a comparison between two different products.

Now complete the following instance -
Input: The two products are a vacuum cleaner and a robot vacuum cleaner.
Output:
assistant
A matrix comparing a standard vacuum cleaner and a robot vacuum cleaner would include criteria such ease of use, effectiveness, cost, and noise level. The matrix would rate each criteria on a scale of 1-5 for both products, thus providing a clear comparison between the two products.

Vacuum Cleaner | Robot Vacuum Cleaner
--- | ---
Ease of Use | 4 | 5
Effectiveness | 4 | 5
Cost | 3 | 4 
Noise Level | 2 | 1